The title compound, C14H11NO3, was isolated from the roots of Clausena wallichii. The carbazole ring system is approximately planar (r.m.s. deviation = 0.039 Å) and the dihedral angle between the two benzene rings is 4.63 (7)°. An intramolecular O-H⋯O hydrogen bond generates an S(6) ring motif. In the crystal, molecules are linked into a zigzag network extending parallel to the ac plane by O-H⋯N and N-H⋯O hydrogen bonds.
CITATION STYLE
Fun, H. K., Maneerat, W., Laphookhieo, S., & Chantrapromma, S. (2010). 2-Hydroxy-7-methoxy-9H-carbazole-3-carbaldehyde. Acta Crystallographica Section E: Structure Reports Online, 66(9). https://doi.org/10.1107/S1600536810033805
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